XML 72 R51.htm IDEA: XBRL DOCUMENT
v3.23.1

PRINCIPAL ACCOUNTING POLICIES - Major VIEs and their subsidiaries (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022 CNY (¥) ¥ / item
Major variable interest entities and their subsidiaries |
Description of foreign investment law approval | In March 2019, the draft Foreign Investment Law was submitted to the National People’s Congress for review and was approved on March 15, 2019, which came into effect from January 1, 2020
Shanghai Ctrip Commerce | Two senior officers of the Company |
Major variable interest entities and their subsidiaries |
Number of officers | ¥ / item | 2
Shareholding percentage of VIE | 100.00%
Registered capital of VIE | ¥ 900,000,000
Shanghai Huacheng |
Major variable interest entities and their subsidiaries |
Shareholding percentage of VIE | 100.00%
Registered capital of VIE | ¥ 100,000,000
Chengdu Ctrip | Two senior officers of the Company |
Major variable interest entities and their subsidiaries |
Number of officers | ¥ / item | 2
Shareholding percentage of VIE | 100.00%
Registered capital of VIE | ¥ 500,000,000
Qunar Beijing | Two senior officers of the Company |
Major variable interest entities and their subsidiaries |
Number of officers | ¥ / item | 2
Shareholding percentage of VIE | 100.00%
Registered capital of VIE | ¥ 11,000,000

X
- Definition Description of foreign investment law approval. + References No definition available. + Details
Name: | tcom_DescriptionOfForeignInvestmentLawApproval
Namespace Prefix: | tcom_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of officers with ownership interest in variable interest entity. + References No definition available. + Details
Name: | tcom_NumberOfOfficers
Namespace Prefix: | tcom_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Registered Capital of VIE. + References No definition available. + Details
Name: | tcom_RegisteredCapitalOfVie
Namespace Prefix: | tcom_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_VariableInterestEntityLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of the Variable Interest Entity's (VIE) voting interest owned by (or beneficial interest in) the reporting entity (directly or indirectly). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=123419778&loc=SL6759159-111685 + Details
Name: | us-gaap_VariableInterestEntityOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=tcom_ShanghaiCtripCommerceCoLtdShanghaiCtripCommerceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=tcom_TwoOfficersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=tcom_ShanghaiHuachengSouthwestTravelAgencyCoLtdShanghaiHuachengMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=tcom_ChengduCtripTravelAgencyCoLtdChengduCtripMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ConsolidatedEntitiesAxis=tcom_Qunar.comBeijingInformationTechnologyCompanyLimitedQunarBeijingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |